var express = require('express')
var fs = require('fs')
var path = require('path')


var userRouter = express.Router()



userRouter.get('/list', (req, res) => {
    var {
        page,
        count
    } = req.query

 
    var filepath = path.join(__dirname, '../json/users.json')
    var arr = fs.readFileSync(filepath)
    arr = arr.toString() ? JSON.parse(arr) : []


    var newarr = arr.slice((page - 1) * count, page * count)

    res.send({
        code: 200,
        msg: '请求成功',
        list: newarr
    })
})


userRouter.get('/search', (req, res) => {

    var {
        searchkey
    } = req.query;


    var filepath = path.join(__dirname, '../json/users.json')
    var arr = fs.readFileSync(filepath)
    arr = arr.toString() ? JSON.parse(arr) : []
    var newarr = arr.filter((item) => {
        return item.name.includes(searchkey)

    })
    res.send({
        code: 200,
        msg: '查询成功',
        list: newarr
    })
})

userRouter.post('/login', (req, res) => {

    var {
        phone,
        pass
    } = req.body;


    var filepath = path.join(__dirname, '../json/users.json')
    var arr = fs.readFileSync(filepath)
    arr = arr.toString() ? JSON.parse(arr) : []


    var i = arr.findIndex((item, index) => {
        return item.phone == phone && item.pass == pass;
    })


    if (i != -1) {
        res.send({
            code: 200,
            msg: '登录成功',
            userinfo: arr[i],
            token: ' '
        });
    } else {
        res.send({
            code: 400,
            msg: '登录失败!'
        })
    }

})

userRouter.post('/register', (req, res) => {

    var {
        phone
    } = req.body; 


    var filepath = path.join(__dirname, '../json/users.json');
    var arr = fs.readFileSync(filepath);
    arr = arr.toString() ? JSON.parse(arr) : []


    var i = arr.findIndex((item) => {
        return item.phone == phone;
    });

    if (i != -1) { 
        res.send({
            code: 400,
            msg: '该手机号已注册,注册失败!'
        })
    } else {
 
        arr.push({
            ...req.body,
            ingroup: '编辑组',
            isadmin: true,
            status: true
        })
        fs.writeFileSync(filepath, JSON.stringify(arr), 'utf8');
        res.send({
            code: 200,
            msg: '注册成功!'
        })
    }
})


module.exports = userRouter;